Update main.php

变量挪到比较运算符右侧
liucy1898 · Apr 4, 2019 · c3ac273 · c3ac273
1 parent 43201e8
commit c3ac273
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/php/07_linkedlist/main.php b/php/07_linkedlist/main.php
@@ -191,7 +191,7 @@ public function deleteLastKth($index)
             ++$i;
         }
 
-        if ($fast == null) {
+        if (null == $fast) {
             return true;
         }
 
@@ -305,4 +305,4 @@ public function findMiddleNode()
 $listAlgo->setList($list);
 $middleNode = $listAlgo->findMiddleNode();
 var_dump($middleNode->data);
-echo '-------------------------------------------------------------'. PHP_EOL . PHP_EOL;
+echo '-------------------------------------------------------------'. PHP_EOL . PHP_EOL;